/*
 * Copyright 2020 Web3 Labs Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package org.web3j.console.project.utils;

import org.web3j.console.project.utils.printer.Printer;
import org.web3j.console.project.utils.printer.Web3jPrinter;

public class InstructionsPrinter {

    private static InstructionsPrinter instructionsPrinterSession = null;
    private final Printer printer;

    private InstructionsPrinter(Printer printer) {
        this.printer = printer;
    }

    public static void initContextPrinter(Printer printer) {
        if (instructionsPrinterSession == null) {
            if (printer == null) {
                instructionsPrinterSession = new InstructionsPrinter(new Web3jPrinter());
            } else {

                instructionsPrinterSession = new InstructionsPrinter(printer);
            }
        }
    }

    public static InstructionsPrinter getContextPrinterInstance() {
        return instructionsPrinterSession;
    }

    public Printer getContextPrinter() {
        return this.printer;
    }
}
